A065924 Numbers n such that 1/n starts with n, after excluding leading zeros.

1, 3, 10, 100, 316, 1000, 3162, 10000, 100000, 1000000, 10000000, 100000000, 316227766, 1000000000, 3162277660, 10000000000, 100000000000, 1000000000000, 3162277660168, 10000000000000, 100000000000000

Offset

1,2

Comments

All the terms are either 10^k or 10^k*sqrt(10) rounded down.

Links

Table of n, a(n) for n=1..21.

Example

316 is present because 1/316 = 0.00316..

Crossrefs

Sequence in context: A216450 A181079 A240512 * A013233 A013226 A013231

Adjacent sequences: A065921 A065922 A065923 * A065925 A065926 A065927

Keyword

base,nonn

Author

Jonathan Ayres (jonathan.ayres(AT)btinternet.com), Nov 28 2001

Status

approved